Ehreth estimates that vaccines annually prevent almost 6 million deaths worldwide. In the USA, there has been a 99% decrease in incidence for the nine diseases for which vaccines have been recommended for decades, accompanied by a similar decline in mortality and disease sequelae.
An information system is the information and communication technology (ICT) that an organization uses, and also the way in which people interact with this technology in support of business processes.Some authors make a clear distinction between information systems, computer systems, and business processes.n information system is the technology an organization uses and also the way in which the organizations interact with the technology and the way in which the technology works with the organizationâs business processes.
An accounting information system (AIS) is a system of collecting, storing and processing financial and accounting data that is used by decision makers.An accounting information system is generally a computer-based method for tracking accounting activity in conjunction with information technology resources.The resulting financial reports can be used internally by management or externally by other interested parties including investors, creditors and tax authorities.n accounting information system is generally a computer-based method for tracking accounting activity in conjunction with information technology resources.